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vector quantization

Started by geetanjali July 10, 2006
is dct necessary to quantize an image? 
can the intensity value of each pixel be directly used for quantization?




geetanjali wrote:
> is dct necessary to quantize an image? > can the intensity value of each pixel be directly used for quantization?
It is the pixel intensity that are quantized. The DCT is (sometimes) used for data compression. Jerry -- Engineering is the art of making what you want from things you can get. �����������������������������������������������������������������������